alanarnholt / bsda Goto Github PK
View Code? Open in Web Editor NEWR package for "Basic Statistics and Data Analysis" web page: https://alanarnholt.github.io/BSDA/
R package for "Basic Statistics and Data Analysis" web page: https://alanarnholt.github.io/BSDA/
Hello,
I am using the z.test function from the BSDA package in an attempt to analyze some data and I keep getting an output of "NA". There are no errors when I run the test, but all of my outputs ( z=, p-value =, etc) simply say NA. Below is the code I have written to run the analysis, hopefully you can provide some insight.
Dat1 <- Dat[Dat$Year == 1,]
Dat2 <- Dat[Dat$Year == 2,]
sd16 <- sd(Dat1$ColumnA, na.rm = T)
sd17 <- sd(Dat2$ColumnA, na.rm = T)
z.test(x = Dat1$ColumnA, sigma.x = sd16, y = Dat2$ColumnA, sigma.y = sd17)
Hello, It seems that z.test function from BSDA package does not work when we have NA in the sample, because of the value of sigma.
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